Electronic Components/Electronics

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Across
  1. 2. liquid crystal display
  2. 4. restricts dc electricity flow to one direction only
  3. 7. variable resistor
Down
  1. 1. creates resistance
  2. 2. light emitting diode
  3. 3. spins when electricity is applied
  4. 5. 9V, AAA, AA
  5. 6. Wireless fidelity
  6. 7. ____button